Electrically-heated sadiron



April 21, 1925.

A. E. REIMER'S ET AL.

ELECTRICALLY HEATED SADIRON Filed Oct. 11, 1920 2 Sheets-Sheet 1 April 21,1925. 1,534,542

A. E. REIMERS ET AL ELECTRI CALLY HEATED SADIRON Filed Oct, 11, 1920 2 Sheets-Sheet 2 /7/ I INVENTORS a" 1% mm Ff/ME/RS 7 071M155 61 14/ J l I XQMM ALFRED E. BEIMERS, OF NEW PATENT OFFICE.

YORK, N. Y., AND onantns c. WAITE, PARK, new JERSIEY. 4

OF BOSELLE ELEGTRICALLY-HEATED SADIRON.

Application filed October 11', 1920. Serial No. 416,087.

To all whom it may concern:

Be it known that ALFRED E. Remarks and CHARLES C. WAITE, citizens of the United States, and residents of the city of New York and Roselle Park, in the county of New.

York and in the county of Union and States of New York and New Jersey, respectively, have invented certain new and useful Improvements in Electrically-Heated Sadirons, 1.0 of which the following is a specification.

Our invention relates to electrically heated sad irons and the object of our invention is to rovide a sad iron which may be heated to iiferent degreesof temperature and also 15 in wh ch certain parts of the iron may be heated to a higher temperature than other parts thereof.

A further object is to provide simple and durable means for directing the current from the main line or conductor to the selected circuit orv circuits comprising the heating poils or elements located in' the body of the 11'011. v A further object is to prov de an iron having conduits formed therein to hold the heating elements and leading therethrough ,in such manner as to permit the front or small end of the iron as well as the edge portions adjacent the sides of the iron to be heated in a given period of time to a higher temperature than that of the middle area. 1

Referr ng to the drawings which form a part of this specification,

5 Fig. 1 is an illustrational plan view of a sad iron showing the conduits and heating elements located in the base or body portion, and the cover'shown partly in section mounted thereon.

Fig. 2 is a longitudinal sectonal view of an'improved couplin or switch by means of which the electriclty is conducted from the main line to the selected circuits through the heating elements in the iron; f s Fig. 3 is a cross-sect onal view of the coupling taken on line 3-3 of Fig. 2;

Fig. 4. is a cross-sectional view taken on line 4-4 of Fig. 2;

Fig. 5 is a diagrammatic view-showing the heating elements connected in series;

Fig. 6 is a diagrammatic view showing the heating elements connected in multiple;

Fig. 7 is a diagrammatic view showing the lesser heating elements connected in circuits;

highly heated than the back end. By ar- Fig. 8 is a diagrammatic view showing the greater heating elements. connected in circuit; and

Fig. 9 is a plan view of the coupling switch with the numerals thereon which indlcate the position in which the coupling must be placed onthe iron to couple the selected heating elements or elements in .circuat.

A indicates the body of a sad iron in which 1s formed two separate conduits or conduits B and C respectively formed in plastic insulatmg material D located within the body portion'as illustrated. A" indicates the cover porton. Located in each of these conduits is an electrical heating element, preferably formed in the shape of a helical coil to pro- Vlde a large heating surface and resistance. These heating elements are indicated by E and F respectively, the element-E being the lesser and element F the greater in heat capacity. In the present case element E is designed to workat 100 voltsand use 225 watts and element F is designed to use 450 watts of electr city. 1

Since the front end A and outer edges of the iron dome in contact with the moist surface of the material tobe ironed first, we have provided a. heating element of greater capacity for the edge portion of the iron than at the middle portion thereof, and since the front end of the iron is narrower than the back end thereof, it presents less radiating surface and therefore becomes more ranging the coils as illustrated this desired end is attained.

'One end of each of the coils E and F are connected together by a leading conductor G of greater capacity than that of the heating elements, and this conductor is. connected to the coupling-pin H. The greater heating element F, is connected to the coupling-pin I and the lesser heating element is connected to the coupling-pm J. K indicates the positivepole and L the negative side of the line. I

The coupling-pins H, "I and J are located on a circle, I and J being'72 degrees apart from centre to centre and H being spaced 144 degrees from J measured from their nearest ositions respectively." The coupling is provided with corresponding conduits spaced 72 degrees a art and located on a circle of the same 'ameter, and 9 v the tem ent kin s indicated by 0, 0, O, Q respectively, and in these conduits are contact plates indicated by N, N, N", and N which are bifurcated and formed to fit snugly over the couling-pins H, I and J as will be readily understood. Two .of these contact plates N and N are connected together by crosspiece P and contact plates N and N are connected together by a cross-piece P", and the leading wires K and L are connected to these cross-pieces as indicated. The cap h of the coupling switch M is provided with figures 1, 2, 3, 4, 4 respectively spaced apart from each other on a circle corresponding to conduits in the coupling and these figures are used to indicate the respective circuit 7 connected by the coupling. Whenthe coupling is placed on the coupling-pins so that figure 1 is overcoup-ling-pin H, the circuit is closed as illustrated in Fig. 5 of the drawings, showing the heating elements connected in series. c

When the figure 2 on the cap is placed over coupling-pin H'the circuit is closed as illustrated iirFig. 8 of the drawings, showg the heating element B only 1n closed circuits.

When figured is over coupling-pin H the heating element C only is in closed circuit.

When figure 4 is over the coupling pin H the heating elements B and C are connected as illustrated in Figure 6 of the drawings.

By the arrangement of the circuits and elements of construction as disclosed herein it is obvious that the iron may be heated to rature required for lroning difi'e'rof material and a change from one circuit to another may be effected in a sim ple way easy for a person unskilled in the use of tools to adjust and use in a practical manner.

The sha of the conduits B and C has been foun in practice to be excellent for the .purposedesigned and by locating the great- .er heating element outside of and adjacent the. edge of the iron has demonstrated the superiority of this arrangement over irons heretofore made in so far as we are informed.

Having thus described claim as new -1. An electrically heated sad iron having three coupling-pins located at the apices of an isosceles triangle, two heating elements of different heating capacity located in said iron, the element of greater heating capacity being located close to the side of the iron, the element oflesser heating capacity being located nearer to the middle of the iron than is the element of the greater heating capacity, the ends of the elements being connected with the pins, and a coupling-switch adapted to contact with said coupling pins and connect said heating elements in predetermined relation, said switch having four contactour invention, we

magma terminals two of which are connected together to form one pole and the other two connected together. to form the opposite pole of an electric circuit.

2. In an electrically heated sad iron having coupling-pins thereon, the combination of two heating elements, one of which is of greater heating capacity than the other and located within said iron adjacent to the outer edge and toe of the iron, the ends of said elements. connecting with said pins, and a coupling-switch to contact with said coupling-pins for selectively connecting in circuit said heating elements in combination or each individuallyand independently of the other.

3. In an electrically heated'sad iron having coupling-pins thereon, the combination. of two heating elements located in said iron and disposed in a manner substantially parallel to the sides of the iron, the ends of said elements connecting with said pins,'and a coupling switch to contact with said coupling-pins for connecting in circuit said heating elements in combination or each in:

dividually and independently of the other, said switch provided with markings for properly determining each selected circuit.

4. In an electrically heated sad iron having coupling-pins thereon, the combination of an inner and an outer heating element within said iron, the ends of said heating elements connected with said pins and a coupling switch to contact with said coupling-pins for selectively connecting in circuit said heating elements, in combination or each individually and independently of the other.

5. In an electrically heated sad iron having a plurality of coupling-pins'thereon, the combination of two heating elements within said iron, one of which is of greater heating capacity than the other and located nearer the sides of the iron and running substantially parallel thereto, the ends of said element connecting with said pins, and a coupling-switch to contact with said coupling-pins for selectively connecting in circuit said heating elements in combination, or each individually and independently of the other, said switch controlling the heat to a greater or lesser degree of heat when operated in combination. 6. An electrically heated sad iron having three coupling-pins thereon, two heating elements located in said iron extending substantially parallel to'each other, the ends of which connect with said pins, and a coupling-switch adapted to contact with said coupling-pins and connect said heating elements in predetermined relation, said switch having four contact terminals two of which are connected together to form (ine pole and the other two connected together to form the opposite pole of an electric circuit.

7. An electrically heated sad iron having two heating elements located in said iron together, said switch having four contact terminals two of which are connected together to form .one pole and the other two connected together to form the opposite pole of an electric circuit. v

f 8. In combination with an electric sad iron having two heating elements of difl'erent heating capacity of a coupling switch for selectively connectin the heaters in circuit in combination or Individually and independently of the other to give four different degrees of heat.

9; In combination with an electric sad iron having two heating elements of diflerent heating capacity of a coupling switch for selectively connecting the heaters in circuit in combination "or individually and inde 20 pendently of the other to give four different degrees of heat, said switch provided with markings to properly determine each selected circuit.

Signed at Roselle Park, in the county of 25 Union and State of New Jersey, this thirtieth day of September A. D. 1920.

7 CHARLES C. WAITE.

Witness:

W. S. HULIOK. Signed at New York city, in the county of l ew York and State of New York this 4th day. of October A. D. 1920. v

ALFRED E. REIMERS. Witness;

FRANK M. ASHLEY. 

